package PTA_5;

import java.util.Scanner;

public class t1 {
    public static void main(String[] args) {
        Scanner scan = new Scanner(System.in);
        String name = scan.next();
        String key = scan.next();
        if(name.equals("SwpuIot")) {
            if (key.equals("123456")) {
                System.out.println("Welcome");
            } else {
                System.out.println("Mismatch");
            }
        } else {
            System.out.println("NotExist");
        }
    }
}
